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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

March 5, 2000 · Cessna 170B · N2814C

Big Lake, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
March 5, 2000
Injury Outcomes
No injuries (3 uninjured)
Location
Big Lake, AK
Aircraft
Cessna 170B
Tail Number
N2814C
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC00LA031

The private certificated pilot was departing a remote, snow-covered area in a ski equipped airplane. During the takeoff run, the pilot said he noticed sloping terrain in front of the airplane that angled sharply to the left. To avoid the drop off, he applied right rudder, and turned about 10 degrees to the right. He then applied left rudder to stop the turn, but the left ski dug into soft snow. The airplane ground looped to the left, and then nosed down in the snow. The airplane received damage to the landing gear, both wings, and the left horizontal stabilizer. The pilot said the wind conditions were calm.

NTSB Probable Cause

The pilot's selection of unsuitable terrain for takeoff. Factors in the accident were soft, snow-covered terrain, and an inadvertent ground loop.

Full Narrative

On March 5, 2000, about 1620 Alaska standard time, a ski-equipped Cessna 170B airplane, N2814C, sustained substantial damage during takeoff from a remote, snow-covered area, about 20 miles west of Big Lake, Alaska, about latitude 61 degrees, 34 minutes north, and longitude 150 degrees, 29 minutes west. The airplane was being operated as a visual flight rules (VFR) cross-country personal flight to Anchorage, Alaska, when the accident occurred. The airplane was operated by the pilot. The private certificated pilot, and the two passengers, were not injured. Visual meteorological conditions prevailed. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC), on March 6, 2000, the pilot reported he was taking off toward the east. During the takeoff run, the pilot said he noticed sloping terrain in front of the airplane that angled sharply to the left. To avoid the drop off, he applied right rudder, and turned about 10 degrees to the right. He then applied left rudder to stop the turn, but the left ski dug into soft snow. The airplane ground looped to the left, and then nosed down in the snow. The airplane received damage to the landing gear, both wings, and the left horizontal stabilizer. The pilot said the wind conditions were calm.

Flight

Event TypeAccident
Event Time11:20 AKST
Nearest Airport0nm
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 170B
Tail NumberN2814C
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-A1A · Reciprocating · 180
Seats4

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 31 · Third Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility20 sm
CeilingNone
Temperature / Dew Point30 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data